Remove router set up from the wizard

Remove the ability to set up routers in the wizard. Instead rely on the routing page.

Please check out the screen shots here for an explanation of what needs to change in the front end:
https://docs.google.com/a/praekeltconsulting.com/document/d/1y1JTMqC9FDjFJa4sXjaHUsMFGybIdPiN6TLjep4HfUk/edit